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<tr class="t-nv"><td colspan="5"> <a href="streambuf.html" title="cpp/header/streambuf"><tt>&lt;streambuf&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="istream.html" title="cpp/header/istream"><tt>&lt;istream&gt;</tt></a>
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<tr class="t-nv"><td colspan="5"> <a href="ostream.html" title="cpp/header/ostream"><tt>&lt;ostream&gt;</tt></a>
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<td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="iomanip.html" title="cpp/header/iomanip"><tt>&lt;iomanip&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="sstream.html" title="cpp/header/sstream"><tt>&lt;sstream&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="fstream.html" title="cpp/header/fstream"><tt>&lt;fstream&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="cstdio.html" title="cpp/header/cstdio"><tt>&lt;cstdio&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="cinttypes.html" title="cpp/header/cinttypes"><tt>&lt;cinttypes&gt;</tt></a>
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</table></div></td>
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<tr class="t-nv-h1"><td colspan="5"> Regular expressions</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="regex.html" title="cpp/header/regex"><tt>&lt;regex&gt;</tt></a>
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<tr class="t-nv-h1"><td colspan="5"> Thread support</td></tr>
<tr class="t-nv-col-table">
<td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="thread.html" title="cpp/header/thread"><tt>&lt;thread&gt;</tt></a>
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<tr class="t-nv"><td colspan="5"> <a href="mutex.html" title="cpp/header/mutex"><tt>&lt;mutex&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="atomic.html" title="cpp/header/atomic"><tt>&lt;atomic&gt;</tt></a>
</td></tr>
</table></div></td>
<td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"> <a href="shared_mutex.html" title="cpp/header/shared mutex"><tt>&lt;shared_mutex&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="condition_variable.html" title="cpp/header/condition variable"><tt>&lt;condition_variable&gt;</tt></a>
</td></tr>
<tr class="t-nv"><td colspan="5"> <a href="future.html" title="cpp/header/future"><tt>&lt;future&gt;</tt></a>
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<div class="t-navbar-sep"> </div>
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<p>This header is part of the <a href="../locale.html" title="cpp/locale">localization</a> library.
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<div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1">
<a href="locale.html%23Classes"><span class="tocnumber">1</span> <span class="toctext">Classes</span></a>
<ul>
<li class="toclevel-2"><a href="locale.html%23String_and_stream_conversions"><span class="tocnumber">1.1</span> <span class="toctext">String and stream conversions</span></a></li>
<li class="toclevel-2"><a href="locale.html%23Facet_category_base_classes"><span class="tocnumber">1.2</span> <span class="toctext">Facet category base classes</span></a></li>
<li class="toclevel-2"><a href="locale.html%23Facet_categories"><span class="tocnumber">1.3</span> <span class="toctext">Facet categories</span></a></li>
<li class="toclevel-2"><a href="locale.html%23Locale-specific_facet_categories"><span class="tocnumber">1.4</span> <span class="toctext">Locale-specific facet categories</span></a></li>
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<li class="toclevel-1">
<a href="locale.html%23Functions"><span class="tocnumber">2</span> <span class="toctext">Functions</span></a>
<ul>
<li class="toclevel-2"><a href="locale.html%23Locales_and_facets"><span class="tocnumber">2.1</span> <span class="toctext">Locales and facets</span></a></li>
<li class="toclevel-2"><a href="locale.html%23Character_classification"><span class="tocnumber">2.2</span> <span class="toctext">Character classification</span></a></li>
<li class="toclevel-2"><a href="locale.html%23Character_conversions"><span class="tocnumber">2.3</span> <span class="toctext">Character conversions</span></a></li>
<li class="toclevel-2 tocsection-1"><a href="locale.html%23Synospis"><span class="tocnumber">2.4</span> <span class="toctext">Synospis</span></a></li>
<li class="toclevel-2 tocsection-2"><a href="locale.html%23Class_std%3A%3Alocale"><span class="tocnumber">2.5</span> <span class="toctext">Class <span>std::locale</span></span></a></li>
<li class="toclevel-2 tocsection-3"><a href="locale.html%23Class_std%3A%3Actype_base"><span class="tocnumber">2.6</span> <span class="toctext">Class <span>std::ctype_base</span></span></a></li>
<li class="toclevel-2 tocsection-4"><a href="locale.html%23Class_std%3A%3Actype"><span class="tocnumber">2.7</span> <span class="toctext">Class <span>std::ctype</span></span></a></li>
<li class="toclevel-2 tocsection-5"><a href="locale.html%23Class_std%3A%3Actype_byname"><span class="tocnumber">2.8</span> <span class="toctext">Class <span>std::ctype_byname</span></span></a></li>
<li class="toclevel-2 tocsection-6"><a href="locale.html%23Class_std%3A%3Actype.3Cchar.3E"><span class="tocnumber">2.9</span> <span class="toctext">Class <span><span><span>std::<span>ctype</span></span><span>&lt;</span><span>char</span><span>&gt;</span></span></span></span></a></li>
<li class="toclevel-2 tocsection-7"><a href="locale.html%23Class_std%3A%3Acodecvt_base"><span class="tocnumber">2.10</span> <span class="toctext">Class <span>std::codecvt_base</span></span></a></li>
<li class="toclevel-2 tocsection-8"><a href="locale.html%23Class_std%3A%3Acodecvt"><span class="tocnumber">2.11</span> <span class="toctext">Class <span>std::codecvt</span></span></a></li>
<li class="toclevel-2 tocsection-9"><a href="locale.html%23Class_std%3A%3Acodecvt_byname"><span class="tocnumber">2.12</span> <span class="toctext">Class <span>std::codecvt_byname</span></span></a></li>
<li class="toclevel-2 tocsection-10"><a href="locale.html%23Class_std%3A%3Anum_get"><span class="tocnumber">2.13</span> <span class="toctext">Class <span>std::num_get</span></span></a></li>
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</td></tr></table>
<h3> <span class="mw-headline" id="Classes"> Classes </span>
</h3>
</td>
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<tr class="t-dsc-sep">
<td colspan="2">
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<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/locale.html" title="cpp/locale/locale"> <span class="t-lines"><span>locale</span></span></a></div></div>
</td>
<td>   set of polymorphic facets that encapsulate cultural differences <br> <span class="t-mark">(class)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="String_and_stream_conversions">  String and stream conversions  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div">
<div><a href="../locale/wstring_convert.html" title="cpp/locale/wstring convert"> <span class="t-lines"><span>wstring_convert</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>   performs conversions between a wide string and a byte string  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div">
<div><a href="../locale/wbuffer_convert.html" title="cpp/locale/wbuffer convert"> <span class="t-lines"><span>wbuffer_convert</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>   performs conversion between a byte stream buffer and a wide stream buffer  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Facet_category_base_classes">  Facet category base classes  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/ctype_base.html" title="cpp/locale/ctype base"> <span class="t-lines"><span>ctype_base</span></span></a></div></div>
</td>
<td>   defines character classification categories  <br> <span class="t-mark">(class)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/codecvt_base.html" title="cpp/locale/codecvt base"> <span class="t-lines"><span>codecvt_base</span></span></a></div></div>
</td>
<td>   defines character conversion errors  <br> <span class="t-mark">(class)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/messages_base.html" title="cpp/locale/messages base"> <span class="t-lines"><span>messages_base</span></span></a></div></div>
</td>
<td>   defines messages catalog type  <br> <span class="t-mark">(class)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/time_base.html" title="cpp/locale/time base"> <span class="t-lines"><span>time_base</span></span></a></div></div>
</td>
<td>   defines date format constants  <br> <span class="t-mark">(class)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/money_base.html" title="cpp/locale/money base"> <span class="t-lines"><span>money_base</span></span></a></div></div>
</td>
<td>   defines monetary formatting patterns  <br> <span class="t-mark">(class)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Facet_categories">  Facet categories  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/ctype.html" title="cpp/locale/ctype"> <span class="t-lines"><span>ctype</span></span></a></div></div>
</td>
<td>   defines character classification tables  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/ctype_char.html" title="cpp/locale/ctype char"> <span class="t-lines"><span>ctype<span class="t-dsc-small">&lt;char&gt;</span></span></span></a></div></div>
</td>
<td>   specialization of <span class="t-lc"><a href="../locale/ctype.html" title="cpp/locale/ctype">std::ctype</a></span> for type <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">char</span></span></span>  <br> <span class="t-mark">(class template specialization)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/codecvt.html" title="cpp/locale/codecvt"> <span class="t-lines"><span>codecvt</span></span></a></div></div>
</td>
<td>   converts between character encodings, including UTF-8, UTF-16, UTF-32 <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/collate.html" title="cpp/locale/collate"> <span class="t-lines"><span>collate</span></span></a></div></div>
</td>
<td>   defines lexicographical comparison and hashing of strings <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/messages.html" title="cpp/locale/messages"> <span class="t-lines"><span>messages</span></span></a></div></div>
</td>
<td>   implements retrieval of strings from message catalogs <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/time_get.html" title="cpp/locale/time get"> <span class="t-lines"><span>time_get</span></span></a></div></div>
</td>
<td>   parses time/date values from an input character sequence into <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">struct</span> <a href="../chrono/c/tm.html"><span class="kw864">std::<span class="me2">tm</span></span></a></span></span> <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/time_put.html" title="cpp/locale/time put"> <span class="t-lines"><span>time_put</span></span></a></div></div>
</td>
<td>   formats contents of <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw1">struct</span> <a href="../chrono/c/tm.html"><span class="kw864">std::<span class="me2">tm</span></span></a></span></span> for output as character sequence <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/num_get.html" title="cpp/locale/num get"> <span class="t-lines"><span>num_get</span></span></a></div></div>
</td>
<td>   parses numeric values from an input character sequence <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/num_put.html" title="cpp/locale/num put"> <span class="t-lines"><span>num_put</span></span></a></div></div>
</td>
<td>   formats numeric values for output as character sequence <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/numpunct.html" title="cpp/locale/numpunct"> <span class="t-lines"><span>numpunct</span></span></a></div></div>
</td>
<td>   defines numeric punctuation rules  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/money_get.html" title="cpp/locale/money get"> <span class="t-lines"><span>money_get</span></span></a></div></div>
</td>
<td>   parses and constructs a monetary value from an input character sequence <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/money_put.html" title="cpp/locale/money put"> <span class="t-lines"><span>money_put</span></span></a></div></div>
</td>
<td>   formats a monetary value for output as a character sequence  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/moneypunct.html" title="cpp/locale/moneypunct"> <span class="t-lines"><span>moneypunct</span></span></a></div></div>
</td>
<td>   defines monetary formatting parameters used by <span class="t-lc"><a href="../locale/money_get.html" title="cpp/locale/money get">std::money_get</a></span> and <span class="t-lc"><a href="../locale/money_put.html" title="cpp/locale/money put">std::money_put</a></span>  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Locale-specific_facet_categories">  Locale-specific facet categories  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/ctype_byname.html" title="cpp/locale/ctype byname"> <span class="t-lines"><span>ctype_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/ctype.html" title="cpp/locale/ctype">std::ctype</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/codecvt_byname.html" title="cpp/locale/codecvt byname"> <span class="t-lines"><span>codecvt_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/codecvt.html" title="cpp/locale/codecvt">std::codecvt</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/messages_byname.html" title="cpp/locale/messages byname"> <span class="t-lines"><span>messages_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/messages.html" title="cpp/locale/messages">std::messages</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/collate_byname.html" title="cpp/locale/collate byname"> <span class="t-lines"><span>collate_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/collate.html" title="cpp/locale/collate">std::collate</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/time_get_byname.html" title="cpp/locale/time get byname"> <span class="t-lines"><span>time_get_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/time_get.html" title="cpp/locale/time get">std::time_get</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/time_put_byname.html" title="cpp/locale/time put byname"> <span class="t-lines"><span>time_put_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/time_put.html" title="cpp/locale/time put">std::time_put</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/numpunct_byname.html" title="cpp/locale/numpunct byname"> <span class="t-lines"><span>numpunct_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/numpunct.html" title="cpp/locale/numpunct">std::numpunct</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/moneypunct_byname.html" title="cpp/locale/moneypunct byname"> <span class="t-lines"><span>moneypunct_byname</span></span></a></div></div>
</td>
<td>   represents the system-supplied <span class="t-lc"><a href="../locale/moneypunct.html" title="cpp/locale/moneypunct">std::moneypunct</a></span> for the named locale  <br> <span class="t-mark">(class template)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h3> <span class="mw-headline" id="Functions">Functions</span>
</h3>
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Locales_and_facets">  Locales and facets  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/use_facet.html" title="cpp/locale/use facet"> <span class="t-lines"><span>use_facet</span></span></a></div></div>
</td>
<td>   obtains a facet from a locale  <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/has_facet.html" title="cpp/locale/has facet"> <span class="t-lines"><span>has_facet</span></span></a></div></div>
</td>
<td>   checks if a locale implements a specific facet  <br> <span class="t-mark">(function template)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Character_classification">  Character classification  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isspace.html" title="cpp/locale/isspace"> <span class="t-lines"><span>isspace<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as whitespace by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div">
<div><a href="../locale/isblank.html" title="cpp/locale/isblank"> <span class="t-lines"><span>isblank<span class="t-dsc-small">(std::locale)</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>   checks if a character is classified as a blank character by a locale  <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/iscntrl.html" title="cpp/locale/iscntrl"> <span class="t-lines"><span>iscntrl<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as a control character by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isupper.html" title="cpp/locale/isupper"> <span class="t-lines"><span>isupper<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as uppercase by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/islower.html" title="cpp/locale/islower"> <span class="t-lines"><span>islower<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as lowercase by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isalpha.html" title="cpp/locale/isalpha"> <span class="t-lines"><span>isalpha<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as alphabetic by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isdigit.html" title="cpp/locale/isdigit"> <span class="t-lines"><span>isdigit<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as a digit by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/ispunct.html" title="cpp/locale/ispunct"> <span class="t-lines"><span>ispunct<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as punctuation by a locale  <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isxdigit.html" title="cpp/locale/isxdigit"> <span class="t-lines"><span>isxdigit<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as a hexadecimal digit by a locale  <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isalnum.html" title="cpp/locale/isalnum"> <span class="t-lines"><span>isalnum<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as alphanumeric by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isprint.html" title="cpp/locale/isprint"> <span class="t-lines"><span>isprint<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classified as printable by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/isgraph.html" title="cpp/locale/isgraph"> <span class="t-lines"><span>isgraph<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   checks if a character is classfied as graphical by a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>


<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Character_conversions">  Character conversions  </span>
</h5>
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/toupper.html" title="cpp/locale/toupper"> <span class="t-lines"><span>toupper<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   converts a character to uppercase using the ctype facet of a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

<tr class="t-dsc-sep">
<td colspan="2">
</td>
</tr>
<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../locale/tolower.html" title="cpp/locale/tolower"> <span class="t-lines"><span>tolower<span class="t-dsc-small">(std::locale)</span></span></span></a></div></div>
</td>
<td>   converts a character to lowercase using the ctype facet of a locale <br> <span class="t-mark">(function template)</span> 
</td>
</tr>

</table>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Synospis">edit</a>]</span> <span class="mw-headline" id="Synospis">Synospis</span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
 
    <span class="co1">// locale:</span>
    <span class="kw1">class</span> locale<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> Facet<span class="sy1">&gt;</span> <span class="kw4">const</span> Facet<span class="sy3">&amp;</span> use_facet<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> Facet<span class="sy1">&gt;</span> <span class="kw4">bool</span> has_facet<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
 
    <span class="co1">// convenience interfaces:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isspace <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isprint <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> iscntrl <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isupper <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> islower <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isalpha <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isdigit <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> ispunct <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isxdigit<span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isalnum <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw4">bool</span> isgraph <span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> charT toupper<span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> charT tolower<span class="br0">(</span>charT c, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> loc<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> Codecvt, <span class="kw1">class</span> Elem <span class="sy1">=</span> <span class="kw4">wchar_t</span>,
              <span class="kw1">class</span> Wide_alloc <span class="sy1">=</span> <a href="../memory/allocator.html"><span class="kw568">std::<span class="me2">allocator</span></span></a><span class="sy1">&lt;</span>Elem<span class="sy1">&gt;</span>,
        <span class="kw1">class</span> Byte_alloc <span class="sy1">=</span> <a href="../memory/allocator.html"><span class="kw568">std::<span class="me2">allocator</span></span></a><span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="kw1">class</span> wstring_convert<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> Codecvt, <span class="kw1">class</span> Elem <span class="sy1">=</span> <span class="kw4">wchar_t</span>,
              <span class="kw1">class</span> Tr <span class="sy1">=</span> char_traits<span class="sy1">&lt;</span>Elem<span class="sy1">&gt;&gt;</span> <span class="kw1">class</span> wbuffer_convert<span class="sy4">;</span>
 
    <span class="co1">// ctype:</span>
    <span class="kw1">class</span> ctype_base<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">class</span> ctype<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;&gt;</span>            <span class="kw1">class</span> ctype<span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span><span class="sy4">;</span> <span class="co1">// specialization</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">class</span> ctype_byname<span class="sy4">;</span>
    <span class="kw1">class</span> codecvt_base<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> internT, <span class="kw1">class</span> externT, <span class="kw1">class</span> stateT<span class="sy1">&gt;</span> <span class="kw1">class</span> codecvt<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> internT, <span class="kw1">class</span> externT, <span class="kw1">class</span> stateT<span class="sy1">&gt;</span> <span class="kw1">class</span> codecvt_byname<span class="sy4">;</span>
 
    <span class="co1">// numeric:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT,	<span class="kw1">class</span>	InputIterator <span class="sy1">=</span> istreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="kw1">class</span> num_get<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT,	<span class="kw1">class</span>	OutputIterator <span class="sy1">=</span> osterambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="kw1">class</span> num_put<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span>	<span class="kw1">class</span>	numpunct<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span>	<span class="kw1">class</span>	numpunct_byname<span class="sy4">;</span>
 
    <span class="co1">// collation:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">class</span> collate<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">class</span> collate_byname<span class="sy4">;</span>
 
    <span class="co1">// date and time:</span>
    <span class="kw1">class</span> time_base<span class="sy4">;</span>	
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> InputIterator <span class="sy1">=</span> istreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> time_get<span class="sy4">;</span>	
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> InputIterator<span class="sy1">&gt;</span> <span class="sy1">=</span> istreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> time_get_byname<span class="sy4">;</span>	
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> OutputIterator<span class="sy1">&gt;</span> <span class="sy1">=</span> ostreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> time_put<span class="sy4">;</span>	
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> OutputIterator<span class="sy1">&gt;</span> <span class="sy1">=</span> ostreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> time_put_byname<span class="sy4">;</span>	
 
    <span class="co1">// money:	</span>
    <span class="kw1">class</span> money_base<span class="sy4">;</span>	
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> InputIterator <span class="sy1">=</span> istreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="sy1">&gt;</span> 
        <span class="kw1">class</span> money_get<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> OutputIterator <span class="sy1">=</span> ostreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="sy1">&gt;</span> 
        <span class="kw1">class</span> money_put<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw4">bool</span> Intl <span class="sy1">=</span> <span class="kw2">false</span><span class="sy1">&gt;</span> <span class="kw1">class</span> moneypunct<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw4">bool</span> Intl <span class="sy1">=</span> <span class="kw2">false</span><span class="sy1">&gt;</span> <span class="kw1">class</span> moneypunct_byname<span class="sy4">;</span>
 
    <span class="co1">// message retrieval:</span>
    <span class="kw1">class</span> messages_base<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">class</span> messages<span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">class</span> messages_byname<span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p><br>
</p>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::locale">edit</a>]</span> <span class="mw-headline" id="Class_std::locale">Class <span class="t-lc"><a href="../locale/locale.html" title="cpp/locale/locale">std::locale</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">class</span> locale
<span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="co1">// types:</span>
    <span class="kw1">class</span> facet<span class="sy4">;</span>
    <span class="kw1">class</span> id<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw4">int</span> category<span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> category <span class="co1">// values assigned here are for exposition only</span>
        none    <span class="sy1">=</span> <span class="nu0">0</span>,
        collate <span class="sy1">=</span> <span class="nu12">0x010</span>, 
        ctype   <span class="sy1">=</span> <span class="nu12">0x020</span>,
        monetary<span class="sy1">=</span> <span class="nu12">0x040</span>, 
        numeric <span class="sy1">=</span> <span class="nu12">0x080</span>,
        time    <span class="sy1">=</span> <span class="nu12">0x100</span>, 
        messages<span class="sy1">=</span> <span class="nu12">0x200</span>,
        all <span class="sy1">=</span> collate <span class="sy3">|</span> ctype <span class="sy3">|</span> monetary <span class="sy3">|</span> numeric <span class="sy3">|</span> time <span class="sy3">|</span> messages<span class="sy4">;</span>
 
    <span class="co1">// construct/copy/destroy:</span>
    locale<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    locale<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    <span class="kw1">explicit</span> locale<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> std_name<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">explicit</span> locale<span class="br0">(</span><span class="kw4">const</span> string<span class="sy3">&amp;</span> std_name<span class="br0">)</span><span class="sy4">;</span>
    locale<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> std_name, category<span class="br0">)</span><span class="sy4">;</span>
    locale<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other, <span class="kw4">const</span> string<span class="sy3">&amp;</span> std_name, category<span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> Facet<span class="sy1">&gt;</span> locale<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other, Facet<span class="sy2">*</span> f<span class="br0">)</span><span class="sy4">;</span>
    locale<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other, <span class="kw4">const</span> locale<span class="sy3">&amp;</span> one, category<span class="br0">)</span><span class="sy4">;</span>
    ~locale<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
 
    <span class="co1">// not virtual</span>
    <span class="kw4">const</span> locale<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> Facet<span class="sy1">&gt;</span> locale combine<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    <span class="co1">// locale operations:</span>
    basic_string<span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span>
    name<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> traits, <span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
    <span class="kw4">bool</span> operator<span class="br0">(</span><span class="br0">)</span><span class="br0">(</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT,traits,Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s1,
                    <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT,traits,Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s2<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    <span class="co1">// global locale objects:</span>
    <span class="kw4">static</span>
    locale global<span class="br0">(</span><span class="kw4">const</span> locale<span class="sy3">&amp;</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> locale<span class="sy3">&amp;</span> classic<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::ctype base">edit</a>]</span> <span class="mw-headline" id="Class_std::ctype_base">Class <span class="t-lc"><a href="../locale/ctype_base.html" title="cpp/locale/ctype base">std::ctype_base</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">class</span> ctype_base <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> <span class="coMULTI">/*T*/</span> mask<span class="sy4">;</span>
 
    <span class="co1">// numeric values are for exposition only.</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask space <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">0</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask print <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">1</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask cntrl <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">2</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask upper <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">3</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask lower <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">4</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask alpha <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">5</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask digit <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">6</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask punct <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">7</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask xdigit<span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">8</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask blank <span class="sy1">=</span> <span class="nu0">1</span> <span class="sy1">&lt;&lt;</span> <span class="nu0">9</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask alnum <span class="sy1">=</span> alpha <span class="sy3">|</span> digit<span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask graph <span class="sy1">=</span> alnum <span class="sy3">|</span> punct<span class="sy4">;</span>
 
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::ctype">edit</a>]</span> <span class="mw-headline" id="Class_std::ctype">Class <span class="t-lc"><a href="../locale/ctype.html" title="cpp/locale/ctype">std::ctype</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span>
<span class="kw1">class</span> ctype <span class="sy4">:</span> <span class="kw1">public</span> locale<span class="sy4">::</span><span class="me2">facet</span>, <span class="kw1">public</span> ctype_base
<span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> charT char_type<span class="sy4">;</span>
 
    <span class="kw1">explicit</span> ctype<span class="br0">(</span>size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
 
    <span class="kw4">bool</span> is<span class="br0">(</span>mask m, charT c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> charT<span class="sy2">*</span> is<span class="br0">(</span><span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high, mask<span class="sy2">*</span> vec<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> charT<span class="sy2">*</span> scan_is<span class="br0">(</span>mask m,
                         <span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> charT<span class="sy2">*</span> scan_not<span class="br0">(</span>mask m,
                          <span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    charT           toupper<span class="br0">(</span>charT c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> charT<span class="sy2">*</span>    toupper<span class="br0">(</span>charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    charT           tolower<span class="br0">(</span>charT c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> charT<span class="sy2">*</span>    tolower<span class="br0">(</span>charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    charT       widen<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> widen<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high, charT<span class="sy2">*</span> to<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">char</span>        narrow<span class="br0">(</span>charT c, <span class="kw4">char</span> dfault<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> charT<span class="sy2">*</span>narrow<span class="br0">(</span><span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span>, <span class="kw4">char</span> dfault,
                        <span class="kw4">char</span><span class="sy2">*</span> to<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    <span class="kw4">static</span> locale<span class="sy4">::</span><span class="me2">id</span> id<span class="sy4">;</span>
 
<span class="kw1">protected</span><span class="sy4">:</span>
    ~ctype<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">bool</span> do_is<span class="br0">(</span>mask m, charT c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> charT<span class="sy2">*</span> do_is<span class="br0">(</span><span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high,
                               mask<span class="sy2">*</span> vec<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> charT<span class="sy2">*</span> do_scan_is<span class="br0">(</span>mask m,
                                    <span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> charT<span class="sy2">*</span> do_scan_not<span class="br0">(</span>mask m,
                                     <span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    <span class="kw1">virtual</span> charT do_toupper<span class="br0">(</span>charT<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> charT<span class="sy2">*</span> do_toupper<span class="br0">(</span>charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> charT do_tolower<span class="br0">(</span>charT<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> charT<span class="sy2">*</span> do_tolower<span class="br0">(</span>charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> charT do_widen<span class="br0">(</span><span class="kw4">char</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span>  do_widen<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high,
                                  charT<span class="sy2">*</span> dest<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">char</span> do_narrow<span class="br0">(</span>charT, <span class="kw4">char</span> dfault<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> charT<span class="sy2">*</span> do_narrow<span class="br0">(</span><span class="kw4">const</span> charT<span class="sy2">*</span> low, <span class="kw4">const</span> charT<span class="sy2">*</span> high,
                                   <span class="kw4">char</span> dfault, <span class="kw4">char</span><span class="sy2">*</span> dest<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<p><br>
</p>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::ctype byname">edit</a>]</span> <span class="mw-headline" id="Class_std::ctype_byname">Class <span class="t-lc"><a href="../locale/ctype_byname.html" title="cpp/locale/ctype byname">std::ctype_byname</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span>
<span class="kw1">class</span> ctype_byname <span class="sy4">:</span> <span class="kw1">public</span> ctype<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> ctype<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">mask</span> mask<span class="sy4">;</span>
    <span class="kw1">explicit</span> ctype_byname<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span>, size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">explicit</span> ctype_byname<span class="br0">(</span><span class="kw4">const</span> string<span class="sy3">&amp;</span>, size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">protected</span><span class="sy4">:</span>
    ~ctype_byname<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::ctype&lt;char&gt;">edit</a>]</span> <span class="mw-headline" id="Class_std::ctype.3Cchar.3E">Class <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="../locale/ctype.html"><span class="kw1618">std::<span class="me2">ctype</span></span></a><span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span></span></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;&gt;</span> <span class="kw1">class</span> ctype<span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span>
    <span class="sy4">:</span> <span class="kw1">public</span> locale<span class="sy4">::</span><span class="me2">facet</span>, <span class="kw1">public</span> ctype_base
<span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> <span class="kw4">char</span> char_type<span class="sy4">;</span>
    <span class="kw1">explicit</span> ctype<span class="br0">(</span><span class="kw4">const</span> mask<span class="sy2">*</span> tab <span class="sy1">=</span> <span class="nu0">0</span>, <span class="kw4">bool</span> del <span class="sy1">=</span> <span class="kw2">false</span>,
                   size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw4">bool</span> is<span class="br0">(</span>mask m, <span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> is<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high, mask<span class="sy2">*</span> vec<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> scan_is <span class="br0">(</span>mask m,
                         <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> scan_not<span class="br0">(</span>mask m,
                         <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">char</span>        toupper<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> toupper<span class="br0">(</span><span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">char</span>        tolower<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> tolower<span class="br0">(</span><span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">char</span>        widen<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> widen<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high, <span class="kw4">char</span><span class="sy2">*</span> to<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">char</span>        narrow<span class="br0">(</span><span class="kw4">char</span> c, <span class="kw4">char</span> dfault<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> narrow<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high, <span class="kw4">char</span> dfault,
                       <span class="kw4">char</span><span class="sy2">*</span> to<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    <span class="kw4">static</span> locale<span class="sy4">::</span><span class="me2">id</span> id<span class="sy4">;</span>
 
    <span class="kw4">static</span> <span class="kw4">const</span> size_t table_size <span class="sy1">=</span> implementation<span class="sy2">-</span>defined<span class="sy4">;</span>
    <span class="kw4">const</span> mask<span class="sy2">*</span> table<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">const</span> mask<span class="sy2">*</span> classic_table<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
 
<span class="kw1">protected</span><span class="sy4">:</span>
    ~ctype<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">char</span>        do_toupper<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> do_toupper<span class="br0">(</span><span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">char</span>        do_tolower<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> do_tolower<span class="br0">(</span><span class="kw4">char</span><span class="sy2">*</span> low, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">char</span>        do_widen<span class="br0">(</span><span class="kw4">char</span> c<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> do_widen<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low,
                                 <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high,
                                 <span class="kw4">char</span><span class="sy2">*</span> to<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">char</span>        do_narrow<span class="br0">(</span><span class="kw4">char</span> c, <span class="kw4">char</span> dfault<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> do_narrow<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> low,
                                  <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> high,
                                  <span class="kw4">char</span> dfault, <span class="kw4">char</span><span class="sy2">*</span> to<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::codecvt base">edit</a>]</span> <span class="mw-headline" id="Class_std::codecvt_base">Class <span class="t-lc"><a href="../locale/codecvt_base.html" title="cpp/locale/codecvt base">std::codecvt_base</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">class</span> codecvt_base
<span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw2">enum</span> result <span class="br0">{</span> ok, partial, error, noconv <span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::codecvt">edit</a>]</span> <span class="mw-headline" id="Class_std::codecvt">Class <span class="t-lc"><a href="../locale/codecvt.html" title="cpp/locale/codecvt">std::codecvt</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> internT, <span class="kw1">class</span> externT, <span class="kw1">class</span> stateT<span class="sy1">&gt;</span>
<span class="kw1">class</span> codecvt <span class="sy4">:</span> <span class="kw1">public</span> locale<span class="sy4">::</span><span class="me2">facet</span>, <span class="kw1">public</span> codecvt_base
<span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
        <span class="kw1">typedef</span> internT intern_type<span class="sy4">;</span>
        <span class="kw1">typedef</span> externT extern_type<span class="sy4">;</span>
        <span class="kw1">typedef</span> stateT state_type<span class="sy4">;</span>
        <span class="kw1">explicit</span> codecvt<span class="br0">(</span>size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
        result out<span class="br0">(</span>stateT<span class="sy3">&amp;</span> state,
                   <span class="kw4">const</span> internT<span class="sy2">*</span> from, <span class="kw4">const</span> internT<span class="sy2">*</span> from_end, 
                   <span class="kw4">const</span> internT<span class="sy2">*</span><span class="sy3">&amp;</span> from_next,
                   externT<span class="sy2">*</span> to, externT<span class="sy2">*</span> to_end, externT<span class="sy2">*</span><span class="sy3">&amp;</span> to_next<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        result unshift<span class="br0">(</span>stateT<span class="sy3">&amp;</span> state, externT<span class="sy2">*</span> to,
                       externT<span class="sy2">*</span> to_end, externT<span class="sy2">*</span><span class="sy3">&amp;</span> to_next<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        result in<span class="br0">(</span>stateT<span class="sy3">&amp;</span> state,
                  <span class="kw4">const</span> externT<span class="sy2">*</span> from, <span class="kw4">const</span> externT<span class="sy2">*</span> from_end, 
                  <span class="kw4">const</span> externT<span class="sy2">*</span><span class="sy3">&amp;</span> from_next,
                  internT<span class="sy2">*</span> to,
                  internT<span class="sy2">*</span> to_end, internT<span class="sy2">*</span><span class="sy3">&amp;</span> to_next<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        <span class="kw4">int</span> encoding<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
        <span class="kw4">bool</span> always_noconv<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
        <span class="kw4">int</span> length<span class="br0">(</span>stateT<span class="sy3">&amp;</span>, <span class="kw4">const</span> externT<span class="sy2">*</span> from, <span class="kw4">const</span> externT<span class="sy2">*</span> end,
                   size_t max<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        <span class="kw4">int</span> max_length<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
        <span class="kw4">static</span> locale<span class="sy4">::</span><span class="me2">id</span> id<span class="sy4">;</span>
<span class="kw1">protected</span><span class="sy4">:</span>
        ~codecvt<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> result do_out<span class="br0">(</span>stateT<span class="sy3">&amp;</span> state,
                              <span class="kw4">const</span> internT<span class="sy2">*</span> from, <span class="kw4">const</span> internT<span class="sy2">*</span> from_end, 
                              <span class="kw4">const</span> internT<span class="sy2">*</span><span class="sy3">&amp;</span> from_next,
                              externT<span class="sy2">*</span> to,
                              externT<span class="sy2">*</span> to_end, externT<span class="sy2">*</span><span class="sy3">&amp;</span> to_next<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> result do_in<span class="br0">(</span>stateT<span class="sy3">&amp;</span> state,
                             <span class="kw4">const</span> externT<span class="sy2">*</span> from, <span class="kw4">const</span> externT<span class="sy2">*</span> from_end, 
                             <span class="kw4">const</span> externT<span class="sy2">*</span><span class="sy3">&amp;</span> from_next,
                             internT<span class="sy2">*</span> to,
                             internT<span class="sy2">*</span> to_end, internT<span class="sy2">*</span><span class="sy3">&amp;</span> to_next<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> result do_unshift<span class="br0">(</span>stateT<span class="sy3">&amp;</span> state,
                                  externT<span class="sy2">*</span> to,
                                  externT<span class="sy2">*</span> to_end, externT<span class="sy2">*</span><span class="sy3">&amp;</span> to_next<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> <span class="kw4">int</span> do_encoding<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> <span class="kw4">bool</span> do_always_noconv<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> <span class="kw4">int</span> do_length<span class="br0">(</span>stateT<span class="sy3">&amp;</span>, <span class="kw4">const</span> externT<span class="sy2">*</span> from,
                              <span class="kw4">const</span> externT<span class="sy2">*</span> end, size_t max<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
        <span class="kw1">virtual</span> <span class="kw4">int</span> do_max_length<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::codecvt byname">edit</a>]</span> <span class="mw-headline" id="Class_std::codecvt_byname">Class <span class="t-lc"><a href="../locale/codecvt_byname.html" title="cpp/locale/codecvt byname">std::codecvt_byname</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> internT, <span class="kw1">class</span> externT, <span class="kw1">class</span> stateT<span class="sy1">&gt;</span>
<span class="kw1">class</span> codecvt_byname <span class="sy4">:</span> <span class="kw1">public</span> codecvt<span class="sy1">&lt;</span>internT, externT, stateT<span class="sy1">&gt;</span> <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">explicit</span> codecvt_byname<span class="br0">(</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span>, size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
    <span class="kw1">explicit</span> codecvt_byname<span class="br0">(</span><span class="kw4">const</span> string<span class="sy3">&amp;</span>, size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">protected</span><span class="sy4">:</span>
    ~codecvt_byname<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<p><br>
</p>
<h4>
<span class="editsection">[<a href="http%3A//en.cppreference.com/mwiki/index.php" title="Edit section: Class std::num get">edit</a>]</span> <span class="mw-headline" id="Class_std::num_get">Class <span class="t-lc"><a href="../locale/num_get.html" title="cpp/locale/num get">std::num_get</a></span></span>
</h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> InputIterator <span class="sy1">=</span> istreambuf_iterator<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
<span class="kw1">class</span> num_get <span class="sy4">:</span> <span class="kw1">public</span> locale<span class="sy4">::</span><span class="me2">facet</span>
<span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> charT           char_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> InputIterator   iter_type<span class="sy4">;</span>
    <span class="kw1">explicit</span> num_get<span class="br0">(</span>size_t refs <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">bool</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span> ,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span> ,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">long</span> <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">short</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">int</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span> ,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">float</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">double</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">long</span> <span class="kw4">double</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    iter_type get<span class="br0">(</span>iter_type in, iter_type end, ios_base<span class="sy3">&amp;</span>,
                  ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">void</span><span class="sy2">*</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
 
    <span class="kw4">static</span> locale<span class="sy4">::</span><span class="me2">id</span> id<span class="sy4">;</span>
 
 
<span class="kw1">protected</span><span class="sy4">:</span>
    ~num_get<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
 
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">bool</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">long</span> <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">short</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">int</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">unsigned</span> <span class="kw4">long</span> <span class="kw4">long</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">float</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">double</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">long</span> <span class="kw4">double</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">virtual</span> iter_type do_get<span class="br0">(</span>iter_type, iter_type, ios_base<span class="sy3">&amp;</span>,
                             ios_base<span class="sy4">::</span><span class="me2">iostate</span><span class="sy3">&amp;</span> err, <span class="kw4">void</span><span class="sy2">*</span><span class="sy3">&amp;</span> v<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span></pre></div></div>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style=""><tr>
<td class="mbox-empty-cell"></td>
<td class="mbox-text" style="">This section is incomplete<br>Reason: Synopses for numpunct, collate, time_get, time_put, money_get, money_put, money_punct, messages, *_byname </td>
</tr></table>

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